# SDR UALA2012012400494

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2012
- Submitted: February 20, 2012
- Operation: Air carrier
- Aircraft: [N214UA](https://openairdocs.org/aircraft/N214UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30220
- Aircraft time: 41,023 hours, 8,863 cycles
- Engine: Pwa PW4077
- System (JASC): [7530 · Compressor Bleed Control](https://openairdocs.org/jasc/7530)
- Part: Actuator
- Part number: 8136642
- Part serial: 47
- Condition: Faulty
- Location: Rt Engine
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012012400494

## Discrepancy

ENG CONTROL R FAULT (CMC002) ON ESN 777035.  PERFORM ENGINE CHECK NR 4-VARIABLE STATOR VANE SYSTEM.  TEST CHECKS OKAY.  REPLACED VARIABLE STATOR VANE ACTUATOR.  ACCOMPLISHED MAT GROUND TEST R ENG ACTUATOR DRY MOTOR TEST PASS.  CONCURRED ENG CONTLR.  OPS R ENG IDLE NORMAL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.